DormMeter

Real-time energy tracking via cheap smart plugs—fair dorm splits at $30/mo.

Score: 7.6/10TZMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

College students in shared housing are frustrated by GreenGrid's high subscription costs for basic energy monitoring features they need to split bills fairly.

Solution

DormMeter connects to affordable smart plugs (e.g., TP-Link Kasa) for live usage data per roommate. Dashboards show individual consumption, auto-generates splits, and sends low/high usage alerts. Perfect for tech-savvy students avoiding GreenGrid prices.

Target Audience

College students living in shared housing or dorms

Differentiator

BYO cheap hardware integration with roommate-specific plug assignment and gamified usage leaderboards.

Brand Voice

edgy

Features

Smart Plug Connect

must-have25h

API link to Kasa/ similar plugs.

Live Dashboard

must-have20h

Real-time kWh per roommate.

Household Setup

must-have12h

Assign plugs to roommates.

Auto Bill Splits

must-have15h

Calculate shares from usage data.

Usage Alerts

must-have10h

Push notifications for spikes.

Leaderboards

nice-to-have12h

Gamify lowest usage.

Export Data

nice-to-have8h

CSV for bills.

Multi-Plug Support

future18h

Add more devices.

Total Build Time: 120 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextYes
nametextYes

households

ColumnTypeNullable
iduuidNo
nametextNo
owner_iduuidNo

Relationships:

  • owner_id REFERENCES users(id)

plugs

ColumnTypeNullable
iduuidNo
household_iduuidNo
user_iduuidNo
api_keytextNo
current_kwhtextYes

Relationships:

  • household_id REFERENCES households(id)
  • user_id REFERENCES users(id)

usage_logs

ColumnTypeNullable
iduuidNo
plug_iduuidNo
kwhtextNo
timestamptimestampNo

Relationships:

  • plug_id REFERENCES plugs(id)

API Endpoints

POST
/api/plugs

Add plug

🔒 Auth Required
GET
/api/usage/:householdId

Fetch live usage

🔒 Auth Required
POST
/api/splits

Generate split

🔒 Auth Required
POST
/api/alerts

Set alerts

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + Chart.js
Backend
Next.js API + Cron jobs
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Kasa API wrapperPusher for realtime

Build Timeline

Week 1: Core Setup

40h
  • Auth
  • Household

Week 2: Plug Integration

45h
  • Plug connect
  • API polling

Week 3: Dashboard

40h
  • Live charts
  • Alerts

Week 4: Splits & Gamify

35h
  • Split logic
  • Leaderboards

Week 5: Payments & Mobile

30h
  • Stripe
  • PWA

Week 6: Deploy & Test

25h
  • Beta test
  • Launch

Week 7: Polish

20h
  • Bug fixes
Total Timeline: 7 weeks • 265 hours

Pricing Tiers

Free

$0/mo

No realtime

  • 1 plug/house

Pro

$9.99/mo
  • 5 plugs
  • Realtime

Dorm Team

$29.99/mo
  • Unlimited + leaderboards

Revenue Projections

MonthUsersConversionMRRARR
Month 11503%$135$1,620
Month 61,2006%$2,160$25,920

Unit Economics

$18
CAC
$350
LTV
7%
Churn
90%
Margin
LTV:CAC Ratio: 19.4xExcellent!

Landing Page Copy

Hack Your Dorm Energy Bills with Smart Plugs!

Live tracking, auto-splits. Ditch GreenGrid's ripoff.

Feature Highlights

BYO plugs
Realtime dash
Gamified saves
Alert pings

Social Proof (Placeholders)

"'Nerdy but works!' - Mike, MIT"
"'Leaderboards motivate!' - Team NYU"

First Three Customers

Target Amazon smart plug buyers via Reddit ads, college tech clubs on Discord, free setup help for early dorms.

Launch Channels

Product Huntr/smarthomer/collegeHacker News

SEO Keywords

smart plug energy monitor dormroommate kwh trackercheap tp-link bill splitter

Competitive Analysis

GreenGrid

greengrid.com
$50+/mo
Strength

Full home

Weakness

No dorm focus

Our Advantage

Plug-specific, cheap

$300 hardware
Strength

AI breakdown

Weakness

Expensive setup

Our Advantage

No new hardware

🏰 Moat Strategy

Data moat from plug usage patterns in dorms.

⏰ Why Now?

Smart plugs < $10 now, energy crisis awareness peaks.

Risks & Mitigation

technicalmedium severity

API changes

Mitigation

Multi-vendor support

markethigh severity

Hardware barrier

Mitigation

Tutorials + affiliates

legallow severity

API ToS

Mitigation

Public APIs only

Validation Roadmap

pre-build5 days

Poll plug owners in dorms

Success: 40% willing

mvp14 days

Test with 5 households

Success: 90% uptime

growth30 days

Affiliate program

Success: 20% referral

Pivot Options

  • General IoT monitor
  • Energy gamification app
  • Plug marketplace

Quick Stats

Build Time
265h
Target MRR (6 mo)
$2,500
Market Size
$45.0M
Features
8
Database Tables
4
API Endpoints
4